%I #9 Jan 08 2019 09:12:41
%S 1,7,9,38,35,117,91,8,614,39312,167143,9225632,27823518,3438671571811,
%T 810534219404852834,350099109163999874259659131507909,
%U 538073411436415103320989698699207584507533583587852139
%N a(1) = 1, then smallest number not included earlier such that a(n)*a(n+1) + 1 is a cube.
%C The next 3 terms are (to 2 significant digits) 4.1*10^95, 1.3*10^183, 3.6*10^351.
%e 7*9 + 1 = 64 = 8^3, 9*38 + 1 = 343= 7^3.
%Y Cf. A083204, A082536.
%Y Cf. A091569.
%K nonn
%O 1,2
%A _Amarnath Murthy_, Apr 28 2003
%E Corrected and extended by _Vladeta Jovovic_, May 01 2003
%E More terms from _Michel ten Voorde_ Jun 23 2003
%E More terms from _Vladeta Jovovic_, Jun 29 2003
%E a(15) - a(17) from _David Wasserman_, Mar 18 2004
%E More terms from _David Wasserman_, May 20 2004
|